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Class 1 Maths Worksheet: Addition

Maths worksheets lesson 3: Addition up to 20 · Set 549 · 40 sums
TalentJR

The method (Count on): Start with the bigger number. Count on the smaller number, one finger at a time. For a missing number (8 + ? = 15), count on from 8 up to 15, or take away: 15 − 8.

NameDateTime takenScore ___ / 40
  1. 1.7 + 1 =
  2. 2.There are 5 pink beads and 3 green beads. How many beads are there in all?
  3. 3.19 + 1 =
  4. 4.2 + 5 + 11 =
  5. 5.Gurpreet has 10 mangoes and gets 1 mango more. How many mangoes does Gurpreet have now?
  6. 6.There are 12 white flowers and 7 red flowers. How many flowers are there in all?
  7. 7.There are 2 pink balls and 11 red balls. How many balls are there in all?
  8. 8.? + 2 = 20
  9. 9.13 + 2 =
  10. 10.There are 10 white flowers and 8 red flowers. How many flowers are there in all?
  11. 11.Priya has 6 pencils and gets 4 pencils more. How many pencils does Priya have now?
  12. 12.6 + 6 + 4 =
  13. 13.2 + 18 =
  14. 14.1 + 5 =
  15. 15.Kabir has 5 shells and gets 3 shells more. How many shells does Kabir have now?
  16. 16.1 + 5 + 3 =
  17. 17.1 + 8 =
  18. 18.There are 6 red flowers and 4 pink flowers. How many flowers are there in all?
  19. 19.Ananya has 11 mangoes and gets 7 mangoes more. How many mangoes does Ananya have now?
  20. 20.There are 8 white balloons and 4 blue balloons. How many balloons are there in all?
  21. 21.There are 3 white balls and 14 yellow balls. How many balls are there in all?
  22. 22.2 + 4 + 11 =
  23. 23.3 + ? = 20
  24. 24.6 + 2 + 8 =
  25. 25.Arjun has 14 laddoos and gets 3 laddoos more. How many laddoos does Arjun have now?
  26. 26.6 + 8 =
  27. 27.4 + 2 =
  28. 28.6 + 5 + 6 =
  29. 29.There are 12 pink kites and 7 yellow kites. How many kites are there in all?
  30. 30.8 + 2 =
  31. 31.? + 2 = 11
  32. 32.11 + 4 =
  33. 33.4 + ? = 16
  34. 34.5 + 1 + 4 =
  35. 35.4 + 8 + 7 =
  36. 36.Aditya has 5 mangoes and gets 12 mangoes more. How many mangoes does Aditya have now?
  37. 37.6 + ? = 11
  38. 38.1 + 18 =
  39. 39.Lakshmi has 3 bananas and gets 4 bananas more. How many bananas does Lakshmi have now?
  40. 40.15 + 3 =

Answer key

  1. 8
  2. 8
  3. 20
  4. 18
  5. 11
  6. 19
  7. 13
  8. 18
  9. 15
  10. 18
  11. 10
  12. 16
  13. 20
  14. 6
  15. 8
  16. 9
  17. 9
  18. 10
  19. 18
  20. 12
  21. 17
  22. 17
  23. 17
  24. 16
  25. 17
  26. 14
  27. 6
  28. 17
  29. 19
  30. 10
  31. 9
  32. 15
  33. 12
  34. 10
  35. 19
  36. 17
  37. 5
  38. 19
  39. 7
  40. 18

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